Class CMarkedStack

class CMarkedStack : public CStack< T, Owner >;

Description

Provides a templated stack that allows items in the stack to be marked.

The class allows each mark to have an associated TInt value, which allows different types of mark to be used on the same stack.

Template parameter T specifies the type of object on the stack. Owner should be set to ETrue if the object's destructor should delete the objects on the stack.

Derivation

• CStack< T, Owner > - No description.

• CMarkedStack - Provides a templated stack that allows items in the stack to be marked.

Members

Defined in CMarkedStack:

• CMarksDefines a stack of marks.
• DeleteToMark(TInt)Pops and deletes items from the stack until the item marked with the specified m...
• MarkL(TInt)Marks the stack's head item.
• RemoveMark(TInt)Removes all marks until a mark of the specified type is found.
• ResetToMark(TInt)Pops items from the stack until the item marked with the specified mark type is ...
• TMarkPointRepresents a mark.
• iMarksA stack of marks.
• ~CMarkedStack()Destructor.

inline virtual ~CMarkedStack();

Description

Destructor.

It clears all marks.

inline void MarkL(TInt aMarkType);

Description

Marks the stack's head item.

Parameters

TInt aMarkType Mark type

inline TInt RemoveMark(TInt aMarkType);

Description

Removes all marks until a mark of the specified type is found.

Parameters

TInt aMarkType Mark type

Return value

TInt Index of the stack item marked by the found mark

inline void DeleteToMark(TInt aMarkType);

Description

Pops and deletes items from the stack until the item marked with the specified mark type is at the head.

Parameters

TInt aMarkType Mark type

inline void ResetToMark(TInt aMarkType);

Description

Pops items from the stack until the item marked with the specified mark type is at the head.

Parameters

TInt aMarkType Mark type

protected: class TMarkPoint;

Description

Represents a mark.

Members

Defined in CMarkedStack::TMarkPoint:

• TMarkPoint(TInt,TInt)Represents a mark.
• iMarkTypeMark type.
• iStackIndexIndex of the marked stack item.

Construction and destruction

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TMarkPoint(TInt,TInt)

inline TMarkPoint(TInt aMarkType, TInt aIndex);

Description

Represents a mark.

Parameters

TInt aMarkType TInt aIndex

Member data

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iMarkType

TInt iMarkType;

Description

Mark type.

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iStackIndex

TInt iStackIndex;

Description

Index of the marked stack item.

protected: typedef CStack<TMarkPoint, ETrue> CMarkedStack< T, Owner >::CMarks;

Description

Defines a stack of marks.

protected: CMarks iMarks;

Description

A stack of marks.

Items are added and removed from this stack by CMarkedStack::MarkL(TInt), CMarkedStack::RemoveMark(TInt) etc.